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Sungmu Choi

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  • Seongnam-si, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vehicle exhaust gas reduction system and method thereof
    • Patent number 11,852,061
    • Issue date Dec 26, 2023
    • Hyundai Motor Company
    • Sungmu Choi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Catalytic converter and fabrication method thereof
    • Patent number 9,617,896
    • Issue date Apr 11, 2017
    • Hyundai Motor Company
    • Sungmu Choi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Exhaust gas treatment system
    • Patent number 9,468,889
    • Issue date Oct 18, 2016
    • Hyundai Motor Company
    • Sungmu Choi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Catalyst unit
    • Patent number 9,458,749
    • Issue date Oct 4, 2016
    • Hyundai Motor Company
    • Sungmu Choi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Catalytic converter and fabrication method thereof
    • Patent number 9,046,023
    • Issue date Jun 2, 2015
    • Hyundai Motor Company
    • Sungmu Choi
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    EXHAUST SYSTEM
    • Publication number 20170314437
    • Publication date Nov 2, 2017
    • Hyundai Motor Company
    • Sungmu CHOI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CATALYTIC CONVERTER AND FABRICATION METHOD THEREOF
    • Publication number 20150240690
    • Publication date Aug 27, 2015
    • Hyundai Motor Company
    • Sungmu CHOI
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    CATALYST UNIT
    • Publication number 20150031529
    • Publication date Jan 29, 2015
    • Hyundai Motor Company
    • Sungmu CHOI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    EXHAUST GAS TREATMENT SYSTEM
    • Publication number 20150017069
    • Publication date Jan 15, 2015
    • Hyundai Motor Company
    • Sungmu CHOI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CATALYST UNIT
    • Publication number 20140356239
    • Publication date Dec 4, 2014
    • Hyundai Motor Company
    • Sungmu Choi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CATALYTIC CONVERTER AND FABRICATION METHOD THEREOF
    • Publication number 20120321859
    • Publication date Dec 20, 2012
    • Hyundai Motor Company
    • Sungmu Choi
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    EXHAUST GAS POST-TREATMENT SYSTEM
    • Publication number 20120291628
    • Publication date Nov 22, 2012
    • Hyundai Motor Company
    • Jung Min SEO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PARTICULATE FILTER FOR VEHICLE AND EXHAUST SYSTEM USING THE SAME
    • Publication number 20120294771
    • Publication date Nov 22, 2012
    • Hyundai Motor Company
    • Sungmu Choi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CATALYST UNIT
    • Publication number 20120288416
    • Publication date Nov 15, 2012
    • Hyundai Motor Company
    • Sungmu Choi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    CATALYST UNIT
    • Publication number 20120288415
    • Publication date Nov 15, 2012
    • Hyundai Motor Company
    • Sungmu Choi
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL